<div ng-controller="MyController">
	<div id="messagesDiv">
		<div ng-repeat="msg in messages"><em>{{msg.from}}</em>: {{msg.body}}</div>
    </div>
    <input type="text" ng-model="name" placeholder="Name" style="display:none">
	<h6>Hi {{name}}, enter to send!</h6> change User next Time
	<input type="checkbox" ng-model="change" ng-change="changeUser()"/>
    <input type="text" ng-model="msg" ng-keydown="addMessage($event)" placeholder="Message..." style="width:450px;">
</div>